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iw_cxgb4: Add ib_device->get_netdev support

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This is useful to rdma ULPs.

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Steve Wise 2018-03-22 12:53:35 -07:00 committed by Jason Gunthorpe
parent 114cc9c4b1
commit f215a3d244
1 changed files with 19 additions and 0 deletions
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19
drivers/infiniband/hw/cxgb4/provider.c
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@ -533,6 +533,24 @@ static void get_dev_fw_str(struct ib_device *dev, char *str)
FW_HDR_FW_VER_BUILD_G(c4iw_dev->rdev.lldi.fw_vers));
}
static struct net_device *get_netdev(struct ib_device *dev, u8 port)
{
struct c4iw_dev *c4iw_dev = container_of(dev, struct c4iw_dev, ibdev);
struct c4iw_rdev *rdev = &c4iw_dev->rdev;
struct net_device *ndev;
if (!port || port > rdev->lldi.nports)
return NULL;
rcu_read_lock();
ndev = rdev->lldi.ports[port - 1];
if (ndev)
dev_hold(ndev);
rcu_read_unlock();
return ndev;
}
void c4iw_register_device(struct work_struct *work)
{
int ret;
@ -611,6 +629,7 @@ void c4iw_register_device(struct work_struct *work)
dev->ibdev.uverbs_abi_ver = C4IW_UVERBS_ABI_VERSION;
dev->ibdev.get_port_immutable = c4iw_port_immutable;
dev->ibdev.get_dev_fw_str = get_dev_fw_str;
dev->ibdev.get_netdev = get_netdev;
dev->ibdev.iwcm = kmalloc(sizeof(struct iw_cm_verbs), GFP_KERNEL);
if (!dev->ibdev.iwcm) {